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Relevant bibliographies by topics / Enzymes. Digestion

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Academic literature on the topic 'Enzymes. Digestion'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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Journal articles on the topic "Enzymes. Digestion"

1

Eriksen, Ellen K., Halvor Holm, Einar Jensen, et al. "Different digestion of caprine whey proteins by human and porcine gastrointestinal enzymes." British Journal of Nutrition 104, no. 3 (2010): 374–81. http://dx.doi.org/10.1017/s0007114510000577.

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The objective of the present study was twofold: first to compare the degradation patterns of caprine whey proteins digested with either human digestive juices (gastric or duodenal) or commercial porcine enzymes (pepsin or pancreatic enzymes) and second to observe the effect of gastric pH on digestion. An in vitro two-step assay was performed at 37°C to simulate digestion in the stomach (pH 2, 4 or 6) and the duodenum (pH 8). The whey proteins were degraded more efficiently by porcine pepsin than by human gastric juice at all pH values. Irrespective of the enzyme source, gastric digestion at pH

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Yüngül, Mücahit, and Yaşar Özdemir. "Digestion in Fish, Digestive Enzymes and Secretions." International Journal of Pure and Applied Sciences 3, no. 2 (2017): 20–32. http://dx.doi.org/10.29132/ijpas.344892.

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Spiers, Rebecca M., Sarah E. Cross, Helen L. Brown, et al. "Development of a Simple In Vitro Assay to Assess Digestion of the Extracellular Matrix of the Human Pancreas by Collagenase Enzyme Blends." Cell Transplantation 27, no. 7 (2018): 1039–46. http://dx.doi.org/10.1177/0963689718779778.

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Despite huge advances in the field of islet transplantation over the last two decades, current islet isolation methods remain suboptimal, with transplantable yields obtained in less than half of all pancreases processed worldwide. Successful islet isolation is dependent on the ability of collagenase-based enzyme blends to digest extracellular matrix components at the islet–exocrine interface. The limited availability of donor pancreases hinders the use of full-scale islet isolations to characterize pancreas digestion by different enzyme components or blends, or allow the influence of inter-pan

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Pennec, Marcel Le, Jean-Claude Martinez, Anne Donval, Angèle Herry, and Peter Beninger. "Enzymologie du tractus digestif de la modiole hydrothermale Bathymodiolus thermophilus (Mollusque Bivalve)." Canadian Journal of Zoology 70, no. 12 (1992): 2298–302. http://dx.doi.org/10.1139/z92-307.

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Although the structure and ultrastructure of the digestive tract of the hydrothermal vent mytilid Bathymodiolus thermophilus conform to those of other bivalves, enzymological data are lacking. To address this question, digestive enzyme assays and histoenzymological tests were performed on different regions of the digestive tract: labial palps, oesophagus, stomach, digestive gland, intestine, and rectum. Carbohydrases, mainly present in the digestive gland and the stomach, were the most active of the 33 enzymes studied. These enzymes would allow substantial digestion of particles from the immed

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5

Rothman, Stephen, Charles Liebow, and Lois Isenman. "Conservation of Digestive Enzymes." Physiological Reviews 82, no. 1 (2002): 1–18. http://dx.doi.org/10.1152/physrev.00022.2001.

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The traditional understanding is that an entirely new complement of digestive enzymes is secreted by the pancreas into the small intestines with each meal. This is thought to be necessary because, like food itself, these enzymes are degraded during digestion. In this review we discuss experiments that bring this point of view into question. They suggest that digestive enzymes can be absorbed into blood, reaccumulated by the pancreas, and reutilized, instead of being reduced to their constituent amino acids in the intestines. This is called an enteropancreatic circulation of digestive enzymes.

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Sargeant, H., H. M. Miller, and M. A. Shaw. "Dietary zinc oxide supplementation in weaner piglets does not cause differential expression of digestive enzymes." Proceedings of the British Society of Animal Science 2007 (April 2007): 202. http://dx.doi.org/10.1017/s1752756200021050.

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Piglet weaner diets are often supplemented with the antimicrobial mineral zinc oxide (ZnO) to minimise the characteristic growth check post weaning in commercial systems. Zinc has been shown to decrease the incidence of scours, maintain gut morphology and feed intake, and increase growth rate, although the mechanism for these effects remains unclear. Weaning is often accompanied with a decrease in digestive enzyme production by enterocytes, decreasing digestive and absorptive capacity. Digestive enzyme requirements also alter with the dietary change from milk to a solid cereal-based diet, and

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Beauchemin, K. A., D. Colombatto, D. P. Morgavi, W. Z. Yang, and L. M. Rode. "Mode of action of exogenous cell wall degrading enzymes for ruminants." Canadian Journal of Animal Science 84, no. 1 (2004): 13–22. http://dx.doi.org/10.4141/a02-102.

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Recent studies have shown that adding exogenous fibrolytic enzymes to ruminant diets can increase milk production of dairy cows and weight gain of growing beef cattle as a result of enhanced feed digestion. While much progress has been made in terms of advancing feed enzyme technology for ruminants, considerable research is still required to develop more effective enzyme products. The mode of action whereby exogenous enzymes improve digestion of plant cell wall is complex, and there is evidence for numerous potential modes of action suggesting they are interdependant. A mode of action that acc

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8

Laparra, J. M., R. Barberá, and R. Farré. "Effect of Enzyme Amounts Used in Gastrointestinal Digestion Upon Solubility and Caco-2 Cell Uptake Assays of Minerals from Infant Formulas." Food Science and Technology International 11, no. 6 (2005): 425–31. http://dx.doi.org/10.1177/1082013205060195.

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The effect of enzyme amounts used in gastrointestinal in vitro digestion upon the solubility and Caco-2 cell uptake of calcium, iron and zinc from infant formulas (IFs) was studied. Different amounts of enzymes (g enzyme/g IF), pepsin (0.002 and 0.048), pancreatin (0.0005, 0.002 and 0.01) and bile extract (0.003, 0.125 and 0.0625) were assayed. Mineral soluble contents and mineral uptakes by Caco-2 cells were affected by the enzyme amounts used in digestion. Although the highest mineral solubility (Ca 98.6 vs 46.2%; Fe 98.1 vs 83.9%; Zn 98.4 vs 83%) was obtained when the lowest enzyme (pepsin

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Eich, Torsten, Magnus Ståhle, Bengt Gustafsson, et al. "Calcium." Cell Transplantation 27, no. 7 (2018): 1031–38. http://dx.doi.org/10.1177/0963689718779350.

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Background: Effective digestive enzymes are crucial for successful islet isolation. Supplemental proteases are essential because they synergize with collagenase for effective pancreatic digestion. The activity of these enzymes is critically dependent on the presence of Ca2+ ions at a concentration of 5–10 mM. The present study aimed to determine the Ca2+ concentration during human islet isolation and to ascertain whether the addition of supplementary Ca2+ is required to maintain an optimal Ca2+ concentration during the various phases of the islet isolation process. Methods: Human islets were i

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HUTAPEA, Albert M., Chaivat TOSKULKAO, Duang BUDDHASUKH, Prapin WILAIRAT, and Thirayudh GLINSUKON. "Digestion of Stevioside, a Natural Sweetener, by Various Digestive Enzymes." Journal of Clinical Biochemistry and Nutrition 23, no. 3 (1997): 177–86. http://dx.doi.org/10.3164/jcbn.23.177.

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Dissertations / Theses on the topic "Enzymes. Digestion"

1

Queiroz, Camila Helena de Souza. "Estratégias e fisiologia do consumo e digestão de esponjas (Porifera) por Echinaster brasiliensis (Echinodermata: Asteroidea)." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/41/41135/tde-24102012-085504/.

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Esponjas são sésseis e possuem um esqueleto constituído por elementos inorgânicos microscópicos (espículas), fibras de colágeno e/ou combinações destes dois componentes. Embora sem proteções físicas evidentes tais como conchas ou espinhos, são pouco predadas, sendo este fato atribuído principalmente a presença de metabólitos secundários ativos. Recentemente, um papel dos componentes esqueléticos como deterrente foi experimentalmente confirmado, mas sua importância relativa ainda é bastante debatida. Algumas estrelas-do-mar são consideradas como espongívoras, e a literatura existente geralmente

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2

Glass, Helen J. "Biochemical studies of digestive enzymes in marine species." Thesis, Heriot-Watt University, 1989. http://hdl.handle.net/10399/950.

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Useni, Bilungi Alain. "Effect of exogenous fibrolytic enzymes on fibre and protein digestion in ruminant animals." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6744.

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Thesis (MScAgric (Animal Sciences))--University of Stellenbosch, 2011.<br>Includes bibliography.<br>ENGLISH ABSTRACT: Forages are the main feed components in ruminant production systems for the reason that they are often the major source of energy available to the animal. However, only 10 to 35% of energy intake is available as net energy because the digestion of plant cell walls is not complete. This can significantly affect livestock performance and profits in production systems that use forages as a major source of nutrients of the diet. As a result of low and variable nutritive values

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Trotta, Ronald. "Biological Abnormalities in the Ruminant Small Intestine and Its Relationship to Carbohydrate Assimilation." Thesis, North Dakota State University, 2019. https://hdl.handle.net/10365/31722.

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Several biological abnormalities exist between the ruminant and nonruminant small intestine and influences carbohydrate assimilation. Two experiments were conducted to identify potential mechanisms to improve carbohydrate utilization in cattle. Experiment 1 evaluated the effects of duodenal starch infusions with casein or glutamic acid on post-ruminal carbohydrase activities. Experiment 2 evaluated the effects of dietary fructose on visceral organ development and expression of nutrient transporters and digestive enzymes involved in carbohydrate assimilation. In experiment 1, the results sugges

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Buchheim, Caitlin M. "DIGESTION PROCESS IN LUBMRICUS TERRESTRIS ALTERS MICROBIAL ENZYME PRODUCTION AND SOIL NUTRIENTS." Miami University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=miami1578657686503075.

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Colombatto, Dario. "Use of enzymes to improve fibre utilisation in ruminants : a biochemical and in vitro rumen degradation assessment." Thesis, University of Reading, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340076.

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Al-Owafeir, Mohammed. "The effects of dietary saponin and tannin on growth performance and digestion in Oreochromis niloticus and Clarias Gariepinus." Thesis, University of Stirling, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311698.

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Mateos, Diaz Eduardo. "Etude par spectroscopie infrarouge (FTIR) des interactions de la lipase pancréatique apparentée de type 2 (PLRP2) avec les phospholipides et les sels biliaires." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4763.

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La lipase pancréatique apparentée de type 2 du cobaye (GPLRP2) hydrolyse une grande variété de substrats lipidiques. Elle montre cependant une sélectivité selon l’organisation supramoléculaire du substrat et la présence de surfactants comme les sels biliaires (NaTDC). Nous avons utilisé la spectroscopie infrarouge (FTIR) pour étudier les interactions entres les phospholipides (DPPC), les surfactants et la GPLRP2 dans des conditions expérimentales proches de celles du tractus digestif. Pour étudier l’étape d’adsorption indépendamment de l’hydrolyse, un variant inactif de GPLRP2 (S152G) a été pr

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Ferreira, Alexandre Hamilton Pereira. "Purificação, caracterização, clonagem e seqüenciamento de β-glicosidades de Tenebrio molitor (Coleoptera)." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/46/46131/tde-13082008-081701/.

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No lúmen do intestino médio da larva de Tenebrio molitor existem 4 β-glicosidases (denominadas 1, 2, 3a e 3b), que não estão presentes na comida do animal. Elas foram purificadas usando-se técnicas de eletroforese e cromatografias de troca iônica e interação hidrofóbica. A β-Glicosidase 1 (Mr 59.000) é instável a 30°C mas é estabilizada na presença do substrato. Ela praticamente não tem atividade sobre galactosídeos e cliva di- e oligossacarídeos. A enzima possui apenas 1 sítio ativo que apresenta 4 subsítios para ligação de glicose. Seu papel fisiológico deve ser o da clivagem de ol

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Högberg, Ann. "Cereal non-starch polysaccharides in pig diets : influence on digestion site, gut environment and microbial populations /." Uppsala : Dept. of Animal Nutrition and Management, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/a413.pdf.

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Books on the topic "Enzymes. Digestion"

1

F, Ruttan R. Some laboratory notes on papoid digestion. s.n., 1986.

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2

Fox, Arnold. Enzymes: The answer to arthritis, heart and digestion problems. Health Quest Publications, 1998.

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Aminogen: Feed the muscle, starve the fat. Keats Pub., 1997.

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4

DeFelice, Karen L. Enzymes : go with your gut: More practical guidelines for digestive enzymes. ThunderSnow Interactive, 2006.

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Invertebrate-microbial interactions: Ingested fungal enzymes in arthropod biology. Comstock Pub. Associates, 1987.

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6

Higgins, Gregory M. Enzyme addition to the anaerobic digestion of municipal wastewater primary sludge. U.S. Environmental Protection Agency, Water Engineering Research Laboratory, 1986.

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Enzymes for autism and other neurological conditions: The practical guide for digestive enzymes and better behavior . Enzymes for digestive health and nutritional wealth : the practical guide for digestive enzymes ; a story, an adventure, practical information and science. 4th ed. ThunderSnow Interactive, 2005.

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8

Forde, Susan M. The use of enzymes in pig finishers diets. University College Dublin, 1998.

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9

Keating, Lisa Ann. Studies on the amylolytic system of Bacillus coagulans. University College Dublin, 1996.

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Brunswick, Jenifer M. The amylolytic enzyme of a thermophilic bacterium. University College Dublin, 1996.

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Book chapters on the topic "Enzymes. Digestion"

1

Quiñones, Teresa Suárez, Matthias Plöchl, Katrin Päzolt, et al. "Hydrolytic Enzymes Enhancing Anaerobic Digestion." In Biogas Production. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118404089.ch6.

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Salhi, A., F. Carriere, Myriam M. L. Grundy, and A. Aloulou. "Enzymes Involved in Lipid Digestion." In Bioaccessibility and Digestibility of Lipids from Food. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-56909-9_1.

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3

Rajin, Mariani. "A Current Review on the Application of Enzymes in Anaerobic Digestion." In Anaerobic Digestion Processes. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8129-3_4.

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4

Spencer, John F. T., Dorothy M. Spencer, and I. J. Bruce. "Enzymes for Digestion of Yeast Ascus Walls." In Yeast Genetics. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73356-7_5.

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Ludes, B., P. Mangin, and A. Hanauer. "Rapid Sex Determination Using Restriction Enzymes Digestion." In Advances in Forensic Haemogenetics. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75496-8_35.

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He, Yu-Cai, Cui-Luan Ma, and Bin Yang. "Pretreatment Process and Its Synergistic Effects on Enzymatic Digestion of Lignocellulosic Material." In Fungal Cellulolytic Enzymes. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0749-2_1.

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Borgström, B. "The Lipolytic Enzymes of the Gastrointestinal Tract and Fat Digestion." In Pancreatic Enzymes in Health and Disease. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-76097-6_3.

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Terra, W. R., C. Ferreira, B. P. Jordão, and R. J. Dillon. "Digestive enzymes." In Biology of the Insect Midgut. Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1519-0_6.

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Atif, Shaikh M., Sophie L. Gibbings, and Claudia V. Jakubzick. "Isolation and Identification of Interstitial Macrophages from the Lungs Using Different Digestion Enzymes and Staining Strategies." In Macrophages. Springer New York, 2018. http://dx.doi.org/10.1007/978-1-4939-7837-3_6.

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Figarella, C., D. Basso, and O. Guy-Crotte. "Lysosomal Enzyme Activation of Digestive Enzymes During Chronic Pancreatitis?" In Chronic Pancreatitis. Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-75319-0_15.

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Conference papers on the topic "Enzymes. Digestion"

1

Ferdes, Mariana, and Rodica Roxana Constantinescu. "Biological pretreatment of waste from the leather industry to obtain biogas through anaerobic co-digestion processes - A review." In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.ii.8.

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The leather industry produces a relatively high amount of hard degradable waste, with a negative impact on the environment. This waste usually contains two major categories of residues, namely animal fat and residues containing mostly proteins, suitable for biogas conversion. Obtaining biogas from leather waste by co-digestion with vegetable waste can be a sustainable and eco-friendly alternative to conventional energy from fuels. Anaerobic co-digestion is now considered to reduce waste from various sources and turn it into energy, generating in addition a digestate used as fertilizer in agric

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Kojima, T., M. Tanimoto, T. Kamiya, Y. Obata, K. Kurachi, and H. Saito. "ANALYSIS OF FACTOR IX GENE IN NORMAL SUBJECTS AND HEMOPHILIA B PATIENTS IN JAPAN." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644077.

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We have examined DNA samples from 25 hemophilia B patients (21 B- patients, 2 BR patients and 2 B+ patients) and 51 normal subjects with molecular probes (pHFIX and 2 genomic fragments). By structural gene analysis, 4 out of 7 patients who developed anti-factor IX antibodies were detected to have gross factor IX gene deletion. Although these four patients showed normal pattern of HPRT gene detected by pCDHPRT, the gene deletions were found to expand more than 34kb including with entire factor IX exons. Quantitative Southern blot analysis of factor IX gene of the patient's family members indica

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Federici, A. B., and S. D. Berkowitz. "CARBOHYDRATE PREVENTS LOSS OF LARGE VON WILLEBRAND FACTOR MULTIMERS BY PROTECTING AGAINST AMINO TERMINAL PROTEOLYTIC CLEAVAGE." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1642873.

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We have previously shown that carbohydrate (CHO) protects von Willebrand factor (vWF) from proteolytic degradation. We have now shown that removal of CHO from the vWF subunit exposes additional cleavage sites in the amino terminal region and that cleavages in this region are associated with loss of large multimers. We examined and compared the extent of large multimer loss with sites of subunit cleavage of native and GHO-modified vWF after treatment with plasmin, chymotrypsin, and trypsin. Highly purified vWF was treated with neuraminidase and β-galactosidase in the presence of proteinase inhi

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Farache Trajano, Luiza, Rebecca Moore, and Quentin Sattentau. "The Presence of Chemical Cross-Linking Stabilises HIV-1 Envelope Glycoprotein Trimer Antigens in a Model of Intramuscular Immunisation." In Building Bridges in Medical Science 2021. Cambridge Medicine Journal, 2021. http://dx.doi.org/10.7244/cmj.2021.03.001.4.

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Background: The HIV-1 envelope glycoprotein (Env) is the target of antigen design for antibody- based vaccination. In 2019, four trimeric Env vaccines entered an experimental trial: ConM, ConS, and their cross-linked counterparts. The trimers were formulated with MPLA adjuvant. Studies have demonstrated that adjuvants trigger neutrophil infiltration. Neutrophils activate and degranulate releasing proteases, namely elastase and cathepsinG. Aims: To assess the stability and immunogenicity of these vaccines in the presence of adjuvant- recruited neutrophils and their proteolytic enzymes. Methods:

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Liddell, M. B., D. S. Anson, D. P. Lillicrap, and I. R. Peake. "SEARCH FOR AND USE OF RESTRICTION FRAGMENT LENGTH POLYMORPHISMS (RFLPs) IN AND AROUND THE HUMAN FACTOR IX GENE." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644078.

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5 previously described RFLPs within the factor IX gene have been used for family studies (carrier detection) in 10 haemophilia B kindred. In all DNA from 91 individuals, including 25 obligate or possible carriers, was analysed by digestion with TaqI and XmnI and probing with the intragenomic probe VIII (all probes were provided by Professor G. G. Brownlee, Oxford). When noninformative, additional RFLPs (DdeI;probe XIII and MspI;probe II) were used. Of 12 possible carriers, 11 were diagnosed (6 as carriers, 5 normal). Of the confirmed carriers (6 diagnosed, 13 obligate) 15 were informative (het

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Koedam, Joost A., Rob J. Hamer, Nel H. Beeser-Visser, Etienne Jap Tjoen San, Kees Schippers, and Jan J. Sixma. "THE INTERACTION BETWEEN FACTOR VIII AND VON WILLEBRAND FACTOR." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644771.

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Factor VIII (FVIII) circulates in plasma as a non-covalent complex with von Willebrand factor (VWF), a large multimeric adhesive glycoprotein. VWF serves as a carrier for FVIII and is thought to stabilize FVIII. The interaction between the two proteins was studied by binding purified human 125I-FVIII to VWF which was coated on a solid matrix. Experiments employing isolated heavy and light chains of FVIII and monoclonal antibodies indicated that binding occurred through the carboxyterminal 80kDa light chain of factor VIII. Treatment of VWF-bound 125I-FVIII with thrombin resulted in the release

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Liu, Chung Y., Dominic Chung, Earl Davie та Leonard Chess. "FORMER STUDIES OF FIBRINOGEN NEW YORK I : ANALYSIS OF HE GENUINIC C DISORDER for the deletion OF MINO ACID SEQUENCE 9-72 OF THE Bβ CHAIN". У XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644697.

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Fibrinogens New York I and la (NY-I and NY-la) have been purified from blood plasma samples of a^ sister and a brother in a white family with thrombotic tendency. Both are heterozygous and contain both thrombin-clottable fibrinogen with two normal Bβ-chains and thrombin-nonclottable fibrinogen with two abnormal Bβ chains. The abnormal β-chains result- fran deletions of ammo acid residues 9-72, which are encoded exactly by exon II of the gene. To study the genomic disorder for this deletion, gencmic DNAs were isolated respectively from leukocytes of NY-la, NY-Ib (a nonaffected brother), and fou

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Colman, Robert W., Harlan Bradford, and Anjanayaki Annamalai. "FACTOR V IS ACTIVATED AND CLEAVED BY PLATELET CALPAIN: COMPARISON WITH THROMBIN PROTEOLYSIS." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643884.

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Platelets are known to process human and bovine factor V during secretion and/or membrane binding. We therefore studied the functional and structural changes produced in human factor V and Va by purified platelet calpain. A maximum increase in factor V coagulant activity of 2.5-fold over control incubations was observed for calpain (0.6 u/ml) at 25°C in comparison with a 10-fold increment for a thrombin (1 u/ml). Thrombin addition to reactions initiated by calpain resulted in further activation comparable to that of thrombin alone, while subsequent addition of calpain had no effect on the exte

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Wang, Chih-Hung, Keng-Fu Hsu, Cheng-Yang Chou, and Gwo-Bin Lee. "Enzyme digestion-based microfluidic system for DNA methylation assay." In 2012 IEEE 25th International Conference on Micro Electro Mechanical Systems (MEMS). IEEE, 2012. http://dx.doi.org/10.1109/memsys.2012.6170351.

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Weitz, J., S. Landman, and S. Birken. "IDENTIFICATION OF A NEUTROPHIL ELASTASE CLEAVAGE SITE ON THE Act -CHAIN OF PRIMATE FIBRINOGEN." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643896.

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Human neutrophil elastase (HNE) cleaves the Aα21-22 bond of fibrinogen thus releasing the fibrinopeptide A (FPA)-containing fragment Aαl-21. Plasma Aal-21 levels reflect in vivo HNE activity and peptide levels are increased in cigarette smokers and patients with chronic lung disease. To further explore the HNE-fibrinogen interaction, we set out to develop an animal model. The digestion of purified baboon and marmoset fibrinogen by human thrombin, HNE and extracts of baboon and marmoset neutrophils was monitored with a specific radioimmunoassay for human FPA. Thrcmbin produced quantitative rele

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